238 



THE WORLD OF LIFE 



CHAP. 



deposits of the southern United States. The numerous 

 skeletons in the pampas of Argentina are usually found on 



O 



m 



fe 



the borders of old lakes and rivers, in the positions in \vhicl ; 

 they died. They are supposed to have perished in the muc 

 or quagmires while attempting to reach the water for drinl| 



